@charset "UTF-8";

/* ==========================================================
   鼻につくジェネレーター — style.css
   BEM / mobile-first / 爽やか抽象トーン
   ========================================================== */

:root {
  --color-ink: #22383e;
  --color-ink-soft: #5a7076;
  --color-accent: #0f6e60;
  --color-accent-deep: #0a5449;
  --color-accent-pale: #dff2ee;
  --color-sky-pale: #e6f2fa;
  --color-lemon-pale: #fdf6de;
  --color-bg: #f7fbfa;
  --color-card: #ffffff;
  --color-line: #dce8e5;
  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --radius-card: 18px;
  --shadow-card: 0 6px 24px rgba(34, 56, 62, 0.07);
  --width-content: 960px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.9;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
h3,
p,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

a {
  color: var(--color-accent-deep);
}

em {
  font-style: normal;
  background: linear-gradient(transparent 62%, #c3ecdd 62%);
}

button {
  font-family: inherit;
}

/* ---------- 背景の抽象ブロブ ---------- */

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.bg__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
}

.bg__blob--1 {
  width: 55vmax;
  height: 55vmax;
  top: -20vmax;
  right: -18vmax;
  background: radial-gradient(circle at 30% 30%, #bfe9dc, transparent 70%);
}

.bg__blob--2 {
  width: 45vmax;
  height: 45vmax;
  top: 30%;
  left: -20vmax;
  background: radial-gradient(circle at 60% 40%, #cde7f7, transparent 70%);
}

.bg__blob--3 {
  width: 40vmax;
  height: 40vmax;
  bottom: -15vmax;
  right: -8vmax;
  background: radial-gradient(circle at 40% 60%, #faeec9, transparent 70%);
}

/* ---------- ヘッダー ---------- */

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  max-width: var(--width-content);
  margin: 0 auto;
  padding: 20px 20px 0;
}

.site-header__logo {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.site-header__nav {
  display: flex;
  gap: 18px;
}

.site-header__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink-soft);
  text-decoration: none;
}

.site-header__link:hover {
  color: var(--color-accent-deep);
}

/* ---------- ヒーロー ---------- */

.hero {
  max-width: var(--width-content);
  margin: 0 auto;
  padding: 64px 20px 40px;
  text-align: center;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 7.5vw, 60px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.08em;
}

.hero__lead {
  margin-top: 24px;
  font-size: 16px;
  color: var(--color-ink-soft);
}

.hero__sample {
  max-width: 580px;
  margin: 36px auto 0;
  padding: 22px 24px;
  text-align: left;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transform: rotate(-0.6deg);
}

.hero__sample-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-accent);
}

.hero__sample-text {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 2;
}

.hero__sample-text strong {
  background: linear-gradient(transparent 62%, #ffe9a8 62%);
}

.hero__cta {
  margin-top: 36px;
}

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.hero__badge {
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent-deep);
  background: var(--color-accent-pale);
  border-radius: 999px;
}

/* ---------- 共通パーツ ---------- */

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4.5vw, 34px);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: center;
}

.section-title::after {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  margin: 14px auto 0;
  background: var(--color-accent);
  border-radius: 2px;
}

.btn {
  display: inline-block;
  padding: 14px 34px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn--primary {
  color: #fff;
  background: var(--color-accent);
  box-shadow: 0 6px 18px rgba(15, 110, 96, 0.3);
}

.btn--primary:hover {
  background: var(--color-accent-deep);
  transform: translateY(-1px);
}

.btn--ghost {
  color: var(--color-accent-deep);
  background: transparent;
  border-color: var(--color-accent);
}

.btn--ghost:hover {
  background: var(--color-accent-pale);
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible,
.phrase__copy:focus-visible {
  outline: 3px solid rgba(15, 110, 96, 0.45);
  outline-offset: 2px;
}

/* ---------- 使い方 ---------- */

.howto {
  max-width: var(--width-content);
  margin: 0 auto;
  padding: 56px 20px 24px;
}

.howto__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 36px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 26px 24px 24px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent-deep);
  background: var(--color-accent-pale);
  border-radius: 50%;
}

.step__title {
  margin-top: 12px;
  font-size: 18px;
  font-weight: 700;
}

.step__text {
  margin-top: 6px;
  font-size: 15px;
  color: var(--color-ink-soft);
}

/* ---------- ジェネレーター ---------- */

.generator {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 20px 24px;
}

.generator__form {
  margin-top: 36px;
  padding: 28px 22px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.field {
  margin: 0 0 22px;
  padding: 0;
  border: 0;
}

.field__label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.field__optional {
  margin-left: 6px;
  font-size: 12px;
  font-weight: 400;
  color: var(--color-ink-soft);
}

.field__select-wrap {
  position: relative;
}

.field__select-wrap::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 18px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-accent-deep);
  border-bottom: 2px solid var(--color-accent-deep);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.field__select,
.field__input {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 16px;
  color: var(--color-ink);
  background: #fbfdfd;
  border: 1.5px solid var(--color-line);
  border-radius: 12px;
  appearance: none;
}

.field__select:focus,
.field__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(15, 110, 96, 0.15);
}

.field__hint {
  margin-top: 8px;
  min-height: 1.6em;
  font-size: 13px;
  color: var(--color-ink-soft);
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pills__item {
  position: relative;
}

.pills__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pills__label {
  display: inline-block;
  padding: 9px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink-soft);
  background: #f2f7f6;
  border: 1.5px solid var(--color-line);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pills__input:checked + .pills__label {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.pills__input:focus-visible + .pills__label {
  outline: 3px solid rgba(15, 110, 96, 0.45);
  outline-offset: 2px;
}

.generator__submit {
  display: block;
  width: 100%;
  margin-top: 4px;
}

/* ---------- 生成結果 ---------- */

.result {
  margin-top: 24px;
  animation: result-in 0.35s ease;
}

@keyframes result-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result__technique {
  padding: 14px 20px;
  background: var(--color-sky-pale);
  border-radius: 14px;
}

.result__technique-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent-deep);
}

.result__technique-desc {
  margin-top: 2px;
  font-size: 14px;
  color: var(--color-ink-soft);
}

.result__mail {
  margin-top: 14px;
  padding: 24px 22px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.result__mail-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-accent);
}

.result__mail-text {
  margin-top: 12px;
  font-size: 16px;
  line-height: 2.1;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.result__placeholder-note {
  margin-top: 10px;
  font-size: 13px;
  color: var(--color-ink-soft);
}

.result__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.result__actions .btn {
  flex: 1 1 200px;
  text-align: center;
}

.result__note {
  margin-top: 14px;
  font-size: 13px;
  text-align: center;
  color: var(--color-ink-soft);
}

/* ---------- ご利用者の声 ---------- */

.voices {
  max-width: var(--width-content);
  margin: 0 auto;
  padding: 56px 20px 24px;
}

.voices__disclaimer {
  margin-top: 12px;
  font-size: 13px;
  text-align: center;
  color: var(--color-ink-soft);
}

.voices__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 28px;
}

.voice {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 22px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.voice__text {
  font-size: 15px;
}

.voice__text::before {
  content: "“";
  display: block;
  height: 20px;
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1;
  color: var(--color-accent);
}

.voice__author {
  margin-top: 14px;
  font-size: 13px;
  text-align: right;
  color: var(--color-ink-soft);
}

/* ---------- 名文コレクション ---------- */

.phrases {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 20px 24px;
}

.phrases__lead {
  margin-top: 16px;
  font-size: 15px;
  text-align: center;
  color: var(--color-ink-soft);
}

.phrases__list {
  margin-top: 28px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.phrase {
  padding: 18px 22px;
}

.phrase + .phrase {
  border-top: 1px solid var(--color-line);
}

.phrase__copy {
  padding: 0;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--color-ink);
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
}

.phrase__copy:hover {
  color: var(--color-accent-deep);
}

.phrase__copy::after {
  content: "コピー";
  margin-left: 10px;
  padding: 2px 10px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-accent-deep);
  background: var(--color-accent-pale);
  border-radius: 999px;
  vertical-align: 2px;
}

.phrase__copy.is-copied::after {
  content: "コピーしました";
}

.phrase__note {
  margin-top: 4px;
  font-size: 14px;
  color: var(--color-ink-soft);
}

/* ---------- 仕組み ---------- */

.about {
  max-width: var(--width-content);
  margin: 0 auto;
  padding: 56px 20px 24px;
}

.about__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 36px;
}

.about__item {
  padding: 26px 24px;
  background: linear-gradient(160deg, var(--color-accent-pale), var(--color-sky-pale));
  border-radius: var(--radius-card);
}

.about__item-title {
  font-size: 17px;
  font-weight: 700;
}

.about__item-text {
  margin-top: 8px;
  font-size: 15px;
  color: var(--color-ink-soft);
}

/* ---------- 免責 ---------- */

.caution {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 20px 40px;
}

.caution__list {
  margin-top: 28px;
  padding: 24px 24px 24px 44px;
  font-size: 14px;
  color: var(--color-ink-soft);
  background: var(--color-lemon-pale);
  border-radius: var(--radius-card);
  list-style: disc;
}

.caution__item + .caution__item {
  margin-top: 10px;
}

/* ---------- フッター ---------- */

.site-footer {
  padding: 28px 20px 40px;
  text-align: center;
}

.site-footer__text {
  font-size: 13px;
  color: var(--color-ink-soft);
}

.site-footer__company {
  margin-top: 6px;
  font-size: 13px;
  color: var(--color-ink-soft);
}

.site-footer__link {
  color: var(--color-accent-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer__link:hover {
  color: var(--color-accent);
}

.noscript-note {
  padding: 16px 20px;
  text-align: center;
  background: var(--color-lemon-pale);
}

/* ---------- PC ---------- */

@media (min-width: 720px) {
  .hero {
    padding-top: 88px;
  }

  .howto__steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .generator__form {
    padding: 36px 40px;
  }

  .voices__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .voices__list .voice:last-child {
    grid-column: 1 / -1;
  }

  .about__list {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .result {
    animation: none;
  }

  .btn {
    transition: none;
  }
}