:root {
  --paper: #fff9ef;
  --white: #ffffff;
  --ink: #593b2d;
  --muted: #7a6758;
  --green: #47755a;
  --mint: #e0eedf;
  --peach: #f4b79b;
  --line: #ded9cb;
  font-family: 'Hiragino Maru Gothic ProN', 'BIZ UDPGothic', 'Yu Gothic', Meiryo, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 5px;
}
button,
input {
  font: inherit;
}
img {
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 700;
  letter-spacing: 0.025em;
}
a:focus-visible,
summary:focus-visible,
input:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 5px;
}
.wrap {
  width: min(1120px, calc(100% - 72px));
  margin-inline: auto;
}
.skip-link {
  position: absolute;
  z-index: 5;
  top: -90px;
  left: 16px;
  padding: 10px 20px;
  background: var(--white);
}
.skip-link:focus {
  top: 8px;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 23px;
  gap: 18px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  white-space: nowrap;
  font-size: 27px;
  letter-spacing: 0.07em;
  font-weight: 700;
}
.brand img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-guide {
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.nav-guide:hover {
  text-decoration: underline;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  padding: 14px 26px;
  border: 2px solid var(--green);
  border-radius: 12px;
  background: var(--green);
  color: var(--white);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  text-align: center;
}
.button:hover {
  background: #345c44;
  border-color: #345c44;
}
.button svg {
  width: 23px;
  height: 23px;
  fill: currentColor;
  flex-shrink: 0;
}
.button-small {
  font-size: 14px;
  padding: 11px 18px;
  min-height: 44px;
  border-radius: 9px;
}
.button-main {
  min-width: 285px;
  min-height: 64px;
}
.text-link {
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  align-items: center;
  gap: 45px;
  padding-block: 42px 100px;
}
.hero h1 {
  font-size: clamp(38px, 4.2vw, 54px);
  line-height: 1.52;
  letter-spacing: 0.045em;
}
.hero-lead {
  font-size: 17px;
  line-height: 2;
  margin-block: 24px 28px;
}
.mobile-break {
  display: none;
}
.cta-note {
  color: var(--muted);
  font-size: 13px;
  margin-block: 12px 16px;
}
.hero-scene {
  min-height: 620px;
  position: relative;
  padding-top: 105px;
}
.paper-notice {
  position: absolute;
  inset: 0 40px auto 55px;
  padding: 24px 28px 47px;
  background: var(--white);
  transform: rotate(-5deg);
  border: 1px solid #e8dfce;
  border-radius: 3px;
  box-shadow: 0 7px 0 #f1e9dc;
  font-size: 13px;
  line-height: 1.8;
}
.paper-label {
  display: block;
  font-size: 17px;
  font-weight: 700;
  padding-bottom: 7px;
  border-bottom: 2px solid var(--mint);
}
.notice-date {
  margin-top: 9px;
  font-weight: 700;
}
.paper-stamp {
  position: absolute;
  right: 18px;
  bottom: 28px;
  width: 78px;
  height: 78px;
  border: 2px solid #bb815b;
  border-radius: 50%;
  display: grid;
  place-content: center;
  transform: rotate(10deg);
  color: #946446;
  font-weight: 700;
  text-align: center;
  font-size: 12px;
  line-height: 1.6;
  background: #fffdf9;
}
.conversation-preview {
  position: relative;
  margin: 16px 15px 0 0;
  padding: 14px 22px 20px;
  border: 1px solid #ded9cb;
  border-radius: 20px;
  background: #f1f5ed;
  box-shadow: 0 16px 35px #593b2d10;
}
.preview-heading {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 13px;
  border-bottom: 1px solid #dce4d6;
  font-size: 16px;
  font-weight: 700;
}
.preview-heading img,
.assistant-row img {
  border-radius: 50%;
  flex: 0 0 auto;
}
.preview-caption {
  font-weight: 400;
  font-size: 10px;
  margin-left: auto;
  color: var(--muted);
}
.user-bubble {
  width: fit-content;
  margin: 18px 0 16px auto;
  padding: 8px 15px;
  background: #d6ebd4;
  border-radius: 15px 15px 4px 15px;
  font-size: 13px;
}
.assistant-row {
  display: flex;
  align-items: start;
  gap: 7px;
}
.assistant-bubble {
  background: var(--white);
  padding: 10px 12px;
  border-radius: 4px 13px 13px 13px;
  font-size: 12px;
  line-height: 1.9;
}
.demo-checklist {
  margin: 17px 0 0 41px;
  padding: 0 16px 7px;
  border: 1px solid #e5dfd1;
  border-radius: 11px;
  background: var(--paper);
}
.demo-checklist legend {
  float: left;
  width: 100%;
  padding-block: 12px 4px;
  font-size: 15px;
  font-weight: 700;
}
.demo-checklist label {
  display: flex;
  width: 100%;
  align-items: center;
  min-height: 46px;
  gap: 9px;
  cursor: pointer;
  font-size: 13px;
}
.demo-checklist input {
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  margin: 0;
  accent-color: var(--green);
  cursor: pointer;
}
.demo-checklist input:checked ~ .item-name {
  text-decoration: line-through;
  color: var(--muted);
}
.item-status {
  margin-left: auto;
  color: var(--green);
  font-size: 11px;
}
.item-status::after {
  content: 'まだ';
}
.demo-checklist input:checked ~ .item-status::after {
  content: '用意できた';
}
.demo-note {
  font-size: 10px;
  line-height: 1.7;
  margin: 10px 0 0 41px;
  color: var(--muted);
}
.scene-mascot {
  position: absolute;
  right: -37px;
  bottom: -30px;
  width: 135px;
  height: 135px;
  border-radius: 50%;
  border: 5px solid var(--white);
  box-shadow: 0 4px 0 #e5dccd;
  transform: rotate(6deg);
}
.how-section {
  background: var(--mint);
  padding-block: 78px;
}
.how-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 78px;
  align-items: center;
}
h2 {
  font-size: 30px;
  line-height: 1.7;
}
.section-intro p {
  margin-top: 20px;
  font-size: 15px;
  line-height: 2;
}
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
}
.steps li {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding-block: 24px;
  border-bottom: 1px solid #b9cfb8;
}
.steps li:first-child {
  padding-top: 0;
}
.steps li:last-child {
  border: 0;
  padding-bottom: 0;
}
.step-number {
  color: var(--green);
  font-size: 29px;
  line-height: 1.4;
  font-weight: 700;
}
.steps h3 {
  font-size: 18px;
  margin-bottom: 6px;
}
.steps p {
  color: #5c6755;
  font-size: 14px;
}
.questions-section {
  padding-block: 80px 70px;
}
.questions-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 23px;
}
details {
  border-bottom: 1px solid var(--line);
}
summary {
  cursor: pointer;
  padding: 22px 2px;
  font-size: 16px;
  font-weight: 700;
  list-style-position: outside;
  margin-left: 22px;
}
summary::marker {
  color: var(--green);
  font-size: 13px;
}
details p {
  max-width: 760px;
  padding: 0 0 24px 24px;
  font-size: 15px;
  line-height: 2;
}
.closing-section {
  display: flex;
  align-items: center;
  gap: 23px;
  padding-block: 32px 60px;
}
.closing-section img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
}
.closing-section h2 {
  font-size: 25px;
}
.closing-section p {
  font-size: 14px;
  margin-top: 5px;
}
.closing-section .button {
  margin-left: auto;
}
.site-footer {
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 24px;
  padding-block: 29px 34px;
}
.footer-brand {
  font-size: 22px;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin-left: auto;
}
.site-footer nav a {
  font-size: 12px;
  text-decoration: none;
}
.site-footer nav a:hover {
  text-decoration: underline;
}
.site-footer small {
  font-size: 11px;
  color: var(--muted);
}
.guide-main {
  max-width: 860px;
  padding-block: 52px 72px;
}
.guide-heading h1 {
  margin-top: 22px;
  font-size: clamp(27px, 4vw, 42px);
  line-height: 1.7;
}
.guide-heading p {
  margin-top: 10px;
  font-size: 17px;
}
.guide-index {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 25px;
  padding-block: 28px;
  margin-top: 24px;
  border-block: 1px solid var(--line);
}
.guide-index a {
  font-size: 14px;
  color: var(--green);
  font-weight: 700;
}
.guide-content {
  max-width: 720px;
}
.guide-content section {
  padding-top: 54px;
}
.guide-step {
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}
.guide-content h2 {
  margin-block: 7px 16px;
  font-size: 25px;
}
.guide-content p {
  font-size: 16px;
  line-height: 2;
  margin-block: 16px;
}
.guide-content .button {
  margin-top: 7px;
}
blockquote {
  margin: 22px 0 0;
  padding: 16px 22px;
  border-left: 4px solid #a3c3a4;
  background: #edf1e6;
  font-size: 15px;
  line-height: 2;
}
.guide-contact {
  margin-top: 54px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.guide-contact h2 {
  font-size: 20px;
}
.guide-contact p {
  margin-block: 10px;
  font-size: 14px;
}
@media (max-width: 900px) {
  .wrap {
    width: min(720px, calc(100% - 48px));
  }
  .hero {
    gap: 25px;
    padding-block: 25px 65px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero-lead {
    font-size: 15px;
  }
  .hero-scene {
    min-height: 575px;
    padding-top: 90px;
  }
  .paper-notice {
    inset-inline: 15px 15px;
    padding: 17px 17px 45px;
    font-size: 11px;
  }
  .paper-label {
    font-size: 14px;
  }
  .paper-stamp {
    width: 61px;
    height: 61px;
    font-size: 10px;
    right: 12px;
  }
  .conversation-preview {
    padding-inline: 13px;
    margin-right: 0;
  }
  .assistant-bubble {
    font-size: 11px;
    padding: 9px;
  }
  .assistant-row {
    gap: 5px;
  }
  .assistant-row img {
    width: 29px;
    height: 29px;
  }
  .demo-checklist,
  .demo-note {
    margin-left: 0;
  }
  .scene-mascot {
    width: 105px;
    height: 105px;
    right: -12px;
    bottom: -14px;
  }
  .button-main {
    min-width: 0;
    padding-inline: 20px;
    font-size: 16px;
  }
  .how-layout {
    gap: 42px;
  }
  h2 {
    font-size: 25px;
  }
  .closing-section {
    flex-wrap: wrap;
  }
  .closing-section .button {
    margin-left: 123px;
  }
}
@media (max-width: 620px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    padding-block: 15px;
    gap: 10px;
  }
  .brand {
    gap: 5px;
    font-size: 24px;
  }
  .brand img {
    width: 39px;
    height: 39px;
  }
  .site-header nav {
    gap: 14px;
  }
  .nav-guide {
    font-size: 12px;
  }
  .site-header .button {
    font-size: 12px;
    padding: 10px 12px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-block: 37px 48px;
    gap: 35px;
  }
  .hero-copy {
    padding-left: 5px;
  }
  .hero h1 {
    font-size: clamp(32px, 8.6vw, 43px);
    line-height: 1.55;
  }
  .hero-lead {
    font-size: 15px;
    margin-block: 18px 25px;
  }
  .mobile-break {
    display: initial;
  }
  .button-main {
    min-width: 270px;
    min-height: 58px;
    font-size: 16px;
  }
  .cta-note {
    font-size: 12px;
    margin-block: 9px 14px;
  }
  .hero-scene {
    width: min(400px, 100% - 12px);
    min-height: 555px;
    margin: 0 auto;
    padding-top: 92px;
  }
  .paper-notice {
    inset-inline: 16px 20px;
    padding-bottom: 50px;
  }
  .paper-label {
    font-size: 16px;
  }
  .paper-notice p {
    font-size: 12px;
  }
  .paper-stamp {
    right: 12px;
  }
  .conversation-preview {
    margin-top: 16px;
    padding-inline: 17px;
  }
  .assistant-row img {
    width: 31px;
    height: 31px;
  }
  .assistant-bubble {
    font-size: 12px;
  }
  .demo-checklist {
    margin: 16px 0 0 36px;
  }
  .demo-note {
    margin-left: 36px;
  }
  .scene-mascot {
    width: 112px;
    height: 112px;
    right: -10px;
    bottom: -4px;
  }
  .how-section {
    padding-block: 46px;
  }
  .how-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  h2 {
    font-size: 27px;
  }
  .section-intro p {
    margin-top: 12px;
  }
  .steps li {
    gap: 16px;
    padding-block: 24px;
  }
  .steps h3 {
    font-size: 17px;
  }
  .steps p {
    font-size: 14px;
  }
  .questions-section {
    padding-block: 46px 35px;
  }
  .questions-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
  }
  summary {
    font-size: 15px;
    padding-block: 20px;
  }
  details p {
    padding-left: 0;
    font-size: 14px;
  }
  .closing-section {
    gap: 17px;
    padding-block: 25px 45px;
  }
  .closing-section img {
    width: 80px;
    height: 80px;
  }
  .closing-section div {
    flex: 1;
  }
  .closing-section h2 {
    font-size: 20px;
    line-height: 1.7;
  }
  .closing-section p {
    font-size: 13px;
  }
  .closing-section .button {
    width: 100%;
    margin: 8px 0 0;
    font-size: 16px;
  }
  .site-footer {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 18px;
    padding-block: 25px;
  }
  .footer-brand {
    width: 100%;
    font-size: 23px;
  }
  .site-footer nav {
    margin-left: 0;
    gap: 15px;
  }
  .site-footer nav a {
    font-size: 11px;
  }
  .site-footer small {
    margin-left: auto;
  }
  .guide-main {
    padding-block: 25px 45px;
  }
  .guide-heading h1 {
    font-size: 28px;
    margin-top: 18px;
  }
  .guide-heading p {
    font-size: 15px;
  }
  .guide-index {
    gap: 13px 20px;
    padding-block: 20px;
  }
  .guide-index a {
    font-size: 13px;
  }
  .guide-content section {
    padding-top: 36px;
  }
  .guide-content h2 {
    font-size: 21px;
  }
  .guide-content p {
    font-size: 15px;
  }
}
@media (max-width: 360px) {
  .site-header .nav-guide {
    display: none;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero-copy {
    padding-left: 0;
  }
  .hero-lead {
    font-size: 14px;
  }
  .button-main {
    width: 100%;
    min-width: 0;
  }
  .conversation-preview {
    padding-inline: 12px;
  }
  .assistant-bubble {
    font-size: 11px;
  }
  .demo-checklist {
    margin-left: 0;
  }
  .demo-note {
    margin-left: 0;
  }
  .scene-mascot {
    width: 95px;
    height: 95px;
  }
  .site-footer nav {
    gap: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}