@charset "UTF-8";
/* =========================================================
   新成工業株式会社 — common stylesheet
   Simple / tech / blue
   ========================================================= */

/* ---------- design tokens ---------- */
:root {
  --blue: #0b5cd5;
  --blue-dark: #0a49a8;
  --blue-light: #4da3ff;
  --navy: #0c2d5a;
  --navy-deep: #071a33;
  --sky: #eaf2ff;
  --tint: #f4f8fd;

  --text: #1d2b3d;
  --muted: #5d7089;
  --line: #dce5f2;
  --white: #fff;

  --wrap: 1160px;
  --gutter: 24px;
  --radius: 14px;
  --header-h: 92px;

  --shadow-s: 0 2px 10px rgba(12, 45, 90, .06);
  --shadow-m: 0 10px 30px rgba(12, 45, 90, .1);
  --ease: cubic-bezier(.22, .8, .28, 1);

  --font: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans",
          "BIZ UDPGothic", Meiryo, "Yu Gothic", sans-serif;
  --font-en: "Helvetica Neue", Arial, sans-serif;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  overflow-x: clip;          /* 画面外に待機するSPメニューで横スクロールが出ないように */
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.95;
  color: var(--text);
  background: var(--white);
  overflow-wrap: anywhere;
  overflow-x: clip;          /* off-canvas nav が横スクロールを生まないように */
}
img, svg { max-width: 100%; height: auto; vertical-align: middle; }
a { color: var(--blue); text-decoration: none; transition: color .2s var(--ease), opacity .2s var(--ease); }
a:hover { color: var(--blue-dark); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, dl, dd, figure { margin: 0; }
table { border-collapse: collapse; width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
input, select, textarea { font: inherit; color: inherit; }

/* ---------- layout helpers ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: 880px; }
.section { padding: 96px 0; }
.section--tint { background: var(--tint); }
.section--flush { padding-top: 0; }
.fullbleed { width: 100%; }           /* 画面幅いっぱいのコンテンツ */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- typography ---------- */
.h-lead {
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.55;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .02em;
  margin-top: 18px;
}
.h-sub {
  font-size: clamp(20px, 2.4vw, 25px);
  line-height: 1.65;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: .02em;
}
.h-min {
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.7;
}
.txt { font-size: 17px; }
.txt + .txt { margin-top: 1.2em; }
.lead { font-size: clamp(17px, 1.9vw, 18px); color: var(--muted); }
.mt-s { margin-top: 14px; }
.mt-m { margin-top: 26px; }
.mt-l { margin-top: 46px; }
.strong-blue { color: var(--blue); font-weight: 700; }
.note { font-size: 15px; color: var(--muted); line-height: 1.8; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 62px; padding: 0 34px;
  border-radius: 999px;
  font-size: 17px; font-weight: 700; letter-spacing: .04em;
  background: var(--blue); color: #fff;
  transition: transform .2s var(--ease), background .2s var(--ease);
}
.btn:hover { background: var(--blue-dark); color: #fff; transform: translateY(-2px); }
.btn .arw { transition: transform .2s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }
.btn--ghost {
  background: transparent; color: #fff; border: 1.5px solid rgba(255, 255, 255, .6);
}
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; color: #fff; }
.btn--outline {
  background: #fff; color: var(--blue); border: 1.5px solid var(--blue);
}
.btn--outline:hover { background: var(--blue); color: #fff; }
.btn--wide { min-width: 300px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 16px; }
.btn-row--center { justify-content: center; }

/* ---------- header ---------- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex; align-items: center; gap: 20px;
  height: var(--header-h);
  max-width: 1360px; margin-inline: auto; padding-inline: var(--gutter);
}
.header__logo { display: block; flex-shrink: 0; line-height: 0; }
.header__logo img { width: 268px; height: auto; }
.gnav { margin-left: auto; }
.gnav__extra { display: none; }   /* SPドロワー内でのみ表示 */
.gnav__list { display: flex; align-items: center; gap: 4px; }
.gnav__link {
  position: relative;
  display: block; padding: 10px 16px;
  font-size: 16px; font-weight: 700; color: var(--navy); letter-spacing: .04em;
}
.gnav__link::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px;
  height: 2px; background: var(--blue); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease);
}
.gnav__link:hover::after, .gnav__link[aria-current="page"]::after { transform: scaleX(1); }
.gnav__link[aria-current="page"] { color: var(--blue); }

.header__tel { flex-shrink: 0; text-align: right; line-height: 1.3; }
.header__tel-num {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-en); font-size: 25px; font-weight: 700;
  color: var(--navy); letter-spacing: .02em;
}
.header__tel-num svg { fill: var(--blue); }
.header__tel-time { display: block; font-size: 12px; color: var(--muted); letter-spacing: .04em; }
.header__cta {
  flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 8px;
  height: 52px; padding: 0 22px; border-radius: 999px;
  background: var(--blue); color: #fff; font-size: 15px; font-weight: 700; letter-spacing: .04em;
}
.header__cta:hover { background: var(--blue-dark); color: #fff; }

.burger {
  display: none; width: 48px; height: 48px; flex-shrink: 0;
  border-radius: 10px; border: 1px solid var(--line);
}
.burger span {
  display: block; width: 22px; height: 2px; margin: 5px auto;
  background: var(--navy); border-radius: 2px; transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.is-nav-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.is-nav-open .burger span:nth-child(2) { opacity: 0; }
.is-nav-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero (home) ---------- */
.hero { position: relative; overflow: hidden; background: var(--navy-deep); }
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgb(7 26 51 / 67%) 0%, rgba(7, 26, 51, .74) 44%, rgba(7, 26, 51, .3) 100%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 88px);
}
.hero__inner {
  position: relative; z-index: 1;
  max-width: var(--wrap); margin-inline: auto; padding: clamp(90px, 13vw, 150px) var(--gutter);
  color: #fff;
  display: flex; flex-direction: column; align-items: center; text-align: center;
}
.hero__title {
  margin-top: 20px;
  font-size: clamp(28px, 5vw, 50px);
  line-height: 1.45; font-weight: 700; letter-spacing: .01em;
}
.hero__title .accent {
  background: linear-gradient(transparent 86%, rgba(77, 163, 255, .55) 86%);
}
.hero__text { margin-top: 26px; font-size: clamp(16px, 1.9vw, 18px); color: rgba(255, 255, 255, .88); max-width: 40em; }
.hero__title { margin-top: 0; }
.hero__actions { margin-top: 42px; display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }

/* ---------- page head (sub pages) ---------- */
.pagehead { position: relative; overflow: hidden; background: var(--navy); }
.pagehead__media { position: absolute; inset: 0; }
.pagehead__media img { width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.pagehead::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(12, 45, 90, .9) 0%, rgba(12, 45, 90, .6) 100%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 88px);
}
.pagehead__inner {
  position: relative; z-index: 1;
  max-width: var(--wrap); margin-inline: auto;
  padding: clamp(64px, 8vw, 96px) var(--gutter);
  color: #fff;
}
.pagehead__title { margin-top: 14px; font-size: clamp(26px, 4.4vw, 40px); font-weight: 700; line-height: 1.4; }


/* ---------- section head ---------- */
.shead { text-align: center; margin-bottom: 54px; }
.shead .h-lead { margin-top: 0; }
.shead__text { margin-top: 20px; color: var(--muted); }
.shead--left { text-align: left; }

/* ---------- card grid (home 3 contents) ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
.card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-s);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m); border-color: #bcd3f2; }
.card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--sky); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.card:hover .card__media img { transform: scale(1.06); }
.card__no {
  position: absolute; left: 0; top: 0; z-index: 2;
  padding: 7px 14px; background: var(--blue); color: #fff;
  font-family: var(--font-en); font-size: 12px; font-weight: 700; letter-spacing: .16em;
}
.card__body { padding: 26px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.card__title { font-size: 20px; font-weight: 700; color: var(--navy); line-height: 1.6; }
.card__text { margin-top: 14px; font-size: 16px; color: var(--muted); flex: 1; }
.card__more {
  margin-top: 22px; display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 700; color: var(--blue); letter-spacing: .04em;
}
.card:hover .card__more .arw { transform: translateX(4px); }
.card__more .arw { transition: transform .2s var(--ease); }

/* ---------- concerns (worry) ---------- */
.worry {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(30px, 5vw, 56px) clamp(30px, 5vw, 56px); align-items: center;
  background: var(--tint); border-radius: var(--radius);
  padding: clamp(28px, 4vw, 52px);
}
.worry__title { margin-top: 0; }
.worry__list { margin-top: 26px; display: grid; gap: 14px; }
.worry__list li {
  position: relative; padding: 15px 20px 15px 56px;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  font-size: 17px; font-weight: 700; color: var(--navy); line-height: 1.7;
  box-shadow: var(--shadow-s);
}
.worry__list li::before {
  content: ""; position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
  width: 22px; height: 22px; border: 2px solid var(--blue); border-radius: 5px; background: #fff;
}
.worry__list li::after {
  content: ""; position: absolute; left: 26px; top: calc(50% - 4px); transform: rotate(-45deg);
  width: 10px; height: 5px; border-left: 2px solid var(--blue); border-bottom: 2px solid var(--blue);
}
.worry__media { text-align: center; }
.worry__media img { width: 100%; max-width: 420px; }
.worry__note { grid-column: 1 / -1; margin-top: 4px; }
@media (max-width: 860px) {
  .worry { grid-template-columns: 1fr; }
  .worry__media { order: -1; }
  .worry__media img { max-width: 320px; }
}

/* ---------- media rows ---------- */
.mediarow { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(30px, 5vw, 64px); align-items: center; }
.mediarow--rev .mediarow__media { order: 2; }
.mediarow--1-2 { grid-template-columns: 1fr 2fr; }
.mediarow__media { position: relative; }
.mediarow__media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius); box-shadow: var(--shadow-m); background: var(--sky);
}
.mediarow + .mediarow { margin-top: 96px; }
.mediarow__media--icon img {
  object-fit: contain; background: none; box-shadow: none; border-radius: 0;
}

/* ---------- reason list ---------- */
.reasons { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.reason {
  position: relative; padding: 34px 32px 36px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-s);
}
.reason__no {
  font-family: var(--font-en); font-size: 13px; font-weight: 700; letter-spacing: .18em; color: var(--blue-light);
}
.reason__title { margin-top: 8px; font-size: 21px; font-weight: 700; color: var(--navy); line-height: 1.6; }
.reason__text { margin-top: 14px; font-size: 16px; color: var(--muted); }

/* ---------- effects (numbered feature blocks) ---------- */
.effects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.effect {
  padding: 34px 30px 36px; background: #fff;
  border: 1px solid var(--line); border-top: 3px solid var(--blue); border-radius: 4px 4px var(--radius) var(--radius);
  box-shadow: var(--shadow-s);
}
.effect__no {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--sky); color: var(--blue);
  font-family: var(--font-en); font-size: 19px; font-weight: 700;
}
.effect__icon {
  display: flex; align-items: center; justify-content: center;
  width: 96px; height: 96px; margin: 0 auto;
}
.effect__icon img { width: 100%; height: 100%; object-fit: contain; }
.effect__title { margin-top: 18px; font-size: 19px; font-weight: 700; color: var(--navy); line-height: 1.6; text-align: center; }
.effect__text { text-align: left; }
.effect__text { margin-top: 12px; font-size: 16px; color: var(--muted); }

/* ---------- order-made examples (image gallery) ---------- */
.examples {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  list-style: none; margin: 0; padding: 0;
}
.example {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-s);
}
.example img {
  display: block; width: 100%; aspect-ratio: 4 / 3;
  object-fit: contain; background: #fff; padding: 12px;
}

/* ---------- check list ---------- */
.checklist { display: grid; gap: 14px; }
.checklist li {
  position: relative; padding-left: 38px; font-size: 17px;
}
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: 22px; height: 22px; border-radius: 50%; background: var(--blue);
}
.checklist li::after {
  content: ""; position: absolute; left: 7px; top: calc(.55em + 6px);
  width: 8px; height: 4px; border-left: 2px solid #fff; border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}

/* ---------- full-bleed dark band ---------- */
.band { position: relative; overflow: hidden; background: var(--navy); color: #fff; }
.band__media { position: absolute; inset: 0; }
.band__media img { width: 100%; height: 100%; object-fit: cover; opacity: .3; }
.band::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 32, 63, .93), rgba(11, 60, 120, .8)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 88px);
}
.band__inner {
  position: relative; z-index: 1;
  max-width: var(--wrap); margin-inline: auto; padding: clamp(70px, 9vw, 104px) var(--gutter);
}
.band .h-lead, .band .h-sub { color: #fff; }
.band .txt { color: rgba(255, 255, 255, .88); }

/* ---------- CTA ---------- */
.cta { position: relative; overflow: hidden; background: linear-gradient(120deg, var(--navy-deep), var(--blue-dark)); color: #fff; }
.cta::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(-45deg, rgba(255, 255, 255, .04) 0 2px, transparent 2px 14px);
}
.cta__inner {
  position: relative; z-index: 1; text-align: center;
  max-width: 940px; margin-inline: auto; padding: clamp(70px, 9vw, 100px) var(--gutter);
}
.cta .h-lead { color: #fff; }
.cta__text { margin-top: 20px; color: rgba(255, 255, 255, .88); }
.cta__box {
  margin-top: 40px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 20px 40px;
}
.telblock { text-align: center; }
.telblock__label {
  display: inline-block; padding: 4px 14px; border-radius: 999px;
  background: rgba(255, 255, 255, .14); font-size: 13px; letter-spacing: .1em;
}
.telblock__num {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-top: 10px; font-family: var(--font-en); font-size: clamp(32px, 5vw, 42px); font-weight: 700;
  color: #fff; line-height: 1.2; letter-spacing: .01em;
}
.telblock__num svg { fill: var(--blue-light); }
.telblock__note { margin-top: 6px; font-size: 14px; color: rgba(255, 255, 255, .78); }
.telblock--light .telblock__label { background: var(--sky); color: var(--blue); }
.telblock--light .telblock__num { color: var(--navy); }
.telblock--light .telblock__num svg { fill: var(--blue); }
.telblock--light .telblock__note { color: var(--muted); }

/* ---------- info table ---------- */
.itable { border-top: 1px solid var(--line); }
.itable tr { border-bottom: 1px solid var(--line); }
.itable th, .itable td { padding: 22px 20px; text-align: left; vertical-align: top; font-size: 17px; }
.itable th {
  width: 210px; font-weight: 700; color: var(--navy); background: var(--tint); white-space: nowrap;
}
.itable td { color: var(--text); }

/* ---------- map ---------- */
.map { position: relative; width: 100%; aspect-ratio: 16 / 7; min-height: 300px; background: var(--sky); }
.map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---------- form ---------- */
.form { margin-top: 46px; }
.form__row { display: grid; grid-template-columns: 250px 1fr; gap: 20px 28px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.form__row:first-child { border-top: 1px solid var(--line); }
.form__label { display: flex; align-items: flex-start; gap: 10px; padding-top: 12px; font-weight: 700; color: var(--navy); }
.req, .any {
  flex-shrink: 0; margin-top: 4px; padding: 2px 9px; border-radius: 4px;
  font-size: 12px; font-weight: 700; letter-spacing: .06em; line-height: 1.6;
}
.req { background: #e2372f; color: #fff; }
.any { background: #e6ecf4; color: var(--muted); }
.form input[type="text"], .form input[type="tel"], .form input[type="email"], .form select, .form textarea {
  width: 100%; padding: 14px 16px;
  background: #fff; border: 1px solid #c6d4e6; border-radius: 8px;
  font-size: 17px; line-height: 1.7; transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11, 92, 213, .15);
}
.form textarea { min-height: 200px; resize: vertical; }
.form__hint { margin-top: 8px; font-size: 14px; color: var(--muted); }
.form__error { display: none; margin-top: 8px; font-size: 15px; font-weight: 700; color: #d0332b; }
.is-invalid .form__error { display: block; }
.is-invalid input, .is-invalid textarea, .is-invalid select { border-color: #d0332b; background: #fff6f5; }
.form__agree { margin-top: 34px; text-align: center; }
.form__agree label { display: inline-flex; align-items: flex-start; gap: 10px; font-size: 16px; cursor: pointer; }
.form__agree input { width: 20px; height: 20px; margin-top: 5px; accent-color: var(--blue); }
.form__submit { margin-top: 30px; text-align: center; }
.form__submit .btn { min-width: 320px; }

.privacy-box {
  margin-top: 30px; max-height: 300px; overflow-y: auto;
  padding: 28px 30px; background: var(--tint); border: 1px solid var(--line); border-radius: var(--radius);
}
.privacy-box h3 { font-size: 17px; font-weight: 700; color: var(--navy); margin-top: 22px; }
.privacy-box h3:first-child { margin-top: 0; }
.privacy-box p { font-size: 16px; margin-top: 8px; color: var(--text); }

/* ---------- footer ---------- */
.footer { background: var(--navy-deep); color: rgba(255, 255, 255, .8); }
.footer__main {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px;
  max-width: var(--wrap); margin-inline: auto; padding: 72px var(--gutter) 56px;
}
.footer__logo img { width: 280px; }
.footer__addr { margin-top: 26px; font-size: 16px; line-height: 1.95; }
.footer__tel { margin-top: 18px; }
.footer__tel a {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-en); font-size: 27px; font-weight: 700; color: #fff;
}
.footer__tel svg { fill: var(--blue-light); }
.footer__nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 20px; align-content: start; }
.footer__nav a { display: inline-flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, .82); font-size: 16px; }
.footer__nav a::before { content: ""; width: 6px; height: 6px; border-top: 1.5px solid var(--blue-light); border-right: 1.5px solid var(--blue-light); transform: rotate(45deg); }
.footer__nav a:hover { color: #fff; }
.footer__copy {
  border-top: 1px solid rgba(255, 255, 255, .14);
  padding: 22px var(--gutter);
  text-align: center; font-family: var(--font-en); font-size: 13px; letter-spacing: .06em;
  color: rgba(255, 255, 255, .6);
}

/* fixed contact bar for smartphones */
/* ---------- scroll reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-shown { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* =========================================================
   responsive
   ========================================================= */
@media (max-width: 1180px) {
  .header__logo img { width: 224px; }
  .gnav__link { padding: 10px 12px; font-size: 15px; }
  .header__tel-num { font-size: 22px; }
  .header__cta { padding: 0 16px; }
}

@media (max-width: 1000px) {
  :root { --header-h: 74px; }
  .burger { display: block; margin-left: auto; }
  /* backdrop-filter は fixed 子要素の包含ブロックを作るため SP では無効化 */
  .header { backdrop-filter: none; background: #fff; }
  .header__tel, .header__cta { display: none; }
  .header__logo img { width: 210px; }

  .gnav {
    position: fixed; inset: var(--header-h) 0 0 auto;
    width: min(340px, 84vw); margin-left: 0;
    background: #fff; border-left: 1px solid var(--line);
    padding: 22px 22px 40px; overflow-y: auto;
    transform: translateX(100%); visibility: hidden;
    transition: transform .32s var(--ease), visibility .32s;
    box-shadow: -14px 0 40px rgba(12, 45, 90, .12);
  }
  .is-nav-open .gnav { transform: none; visibility: visible; }
  .gnav__list { display: block; }
  .gnav__link {
    padding: 17px 8px; font-size: 17px; border-bottom: 1px solid var(--line);
  }
  .gnav__link::after { display: none; }
  .gnav__extra { margin-top: 26px; display: grid; gap: 14px; }
  .gnav__extra .btn { width: 100%; }
  .nav-overlay {
    position: fixed; inset: var(--header-h) 0 0 0; background: rgba(7, 26, 51, .45);
    opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s;
    z-index: 90;
  }
  .is-nav-open .nav-overlay { opacity: 1; visibility: visible; }
  .header { z-index: 100; }
  .gnav { z-index: 95; }

  .cards, .cards--2 { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .effects { grid-template-columns: 1fr; }
  .examples { gap: 18px; }
  .mediarow { grid-template-columns: 1fr; }
  .mediarow--rev .mediarow__media { order: 0; }
  .mediarow + .mediarow { margin-top: 64px; }
  .footer__main { grid-template-columns: 1fr; gap: 36px; padding-bottom: 40px; }
}

@media (max-width: 720px) {
  .examples { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .example img { padding: 8px; }
  .section { padding: 64px 0; }
  .reasons { grid-template-columns: 1fr; }
  .shead { margin-bottom: 38px; }
  .itable th, .itable td { display: block; width: 100%; }
  .itable th { padding: 14px 16px; }
  .itable td { padding: 16px 16px 22px; }
  .form__row { grid-template-columns: 1fr; gap: 10px; padding: 22px 0; }
  .form__label { padding-top: 0; }
  .form__submit .btn, .btn--wide { min-width: 0; width: 100%; }
  .cta__box { gap: 24px; }
  .privacy-box { padding: 22px 20px; }

}

@media (max-width: 400px) {
  .header__logo img { width: 176px; }
}